Requesting unclaiming of 2 residences on smp2

I have tried to find mods able to help me ingame for the past day, but haven't had the luck of finding one to help me unclaim some derelict residenses so my friends can live next to me. The residences are 3987 (12 days inactive) and 4254 (14 days inactive).

If a mod could come by and unclaim these residences or contact me ingame, it would be great because my friends would love to start building.